. >>> new video leased by the kansas city police shows jovan belcher before his death. one shows police talking to belcher after they found him apparently sleeping behind the wheel in his car. he was not arrested but police determined he had been drinking. now, belcher told police he was going to the apartment to see a woman. police say he shot his girlfriend later that morning. then himself. >>> we are getting details on a second nfl tragedy in as many weeks. so what's going on with pro football? mark mckay has more. >> reporter: jerry brown jr., a dallas cowboy's practice squad linebacker was killed early saturday in a one-vehicle crash in irving, texas. the 25-year-old brown was a passenger driven by cowboys' teammate josh brent. police arrested and booked the 24-year-old brent, a defensive lineman into the irving city jail on one count of intoxicating manslaughter. >> our officers on scene felt as if alcohol was a contributing factor in the accident, so mr. price brent was asked to perform some field sobriety tests. after he performed those tests along with our offi